Mark Lettieri is a guitarist, composer, and producer based in Fort Worth, TX. Proficient in a multitude of styles, he records and performs in virtually every genre of popular music with both independent and major-label artists. He also composes and produces original instrumental music under his own name.

Born in the San Francisco Bay Area, Lettieri came to Texas via Texas Christian University (TCU), studying advertising and public relations, and competing in track and field. A passionate guitarist since middle school, he began his music career in the Dallas/Fort Worth Metroplex area upon graduating from TCU.

Playing in the vibrant Metroplex gospel and R&B scene led Lettieri to join jazz/world group Snarky Puppy in 2008, where he contributes as guitarist, as well as arranger and composer. The group has earned three GRAMMY Awards: Best R&B Performance for "Something" feat. Lalah Hathaway in 2014, and twice for Best Contemporary Instrumental Album (Sylva in 2016, and Culcha Vulcha in 2017). Snarky Puppy tours constantly, having performed on every continent except Antarctica.

Outside of Snarky Puppy, Lettieri has released four albums as a leader: Knows (2011), Futurefun (2013), Spark and Echo (2016) and most recently, Deep: The Baritone Sessions in (2019). Spark and Echo reached #11 on Billboard's Jazz Albums Chart, and #2 on iTunes' Jazz Chart, with Deep debuting at #21 on the Billboard Jazz Albums Chart. Due in large part to Lettieri’s vibrant social media presence, these records have created a sizable buzz among fans of instrumental music worldwide. He performs this music live with the Mark Lettieri Trio, featuring Wes Stephenson (Funky Knuckles) on bass and Jason “JT” Thomas (Snarky Puppy, Forq) on drums.

In 2018, Lettieri joined up with Vulpeck spin-off group The Fearless Flyers, featuring Cory Wong and Joe Dart of Vulfpeck on guitar and bass respectively, and drummer Nate Smith (Chris Potter, Pat Metheny) The quartet has released two EPs, The Fearless Flyers in 2018, and The Fearless Flyers II in 2019.

As an in-demand session guitarist and touring sideman, Lettieri has logged miles with neo-soul icon Erykah Badu, gospel singer Anthony Evans, and American Idol: Season 11 winner Phillip Phillips. He's also performed with a myriad of other artists, including Nelly, Anthony Evans, Chrisette Michele, Myron Butler, N'dambi, Bilal, and even comedians Dave Chappelle and Harry Shearer.

Recent recording work includes David Crosby, 50 Cent, Snoop Dogg, Eminem, Adam Levine, Kirk Franklin, Fred Hammond, Tori Kelly, Ledisi, Tamela Mann, Eric Roberson, Lecrae, Lupe Fiasco, Keyshia Cole, Xzibit, as well as numerous radio and television jingles. Lettieri is also a member of SKP, a production collective led by GRAMMY Award-winning producer Symbolyc One (Kanye West, Beyonce).

He can also be seen on television, in the house band for the Marcus & Joni Show, a Christian morning talk/variety show broadcast in over 200 countries Daystar Television Network.